1742457145 has 64 divisors (see below), whose sum is σ = 2559836160. Its totient is φ = 1121299200.

The previous prime is 1742457139. The next prime is 1742457209. The reversal of 1742457145 is 5417542471.

It is not a de Polignac number, because 1742457145 - 2²³ = 1734068537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1742457098 and 1742457107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2814646 + ... + 2815264.

It is an arithmetic number, because the mean of its divisors is an integer number (39997440).

Almost surely, 2^1742457145 is an apocalyptic number.

It is an amenable number.

1742457145 is a deficient number, since it is larger than the sum of its proper divisors (817379015).

1742457145 is a wasteful number, since it uses less digits than its factorization.

1742457145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806.

The product of its digits is 156800, while the sum is 40.

The square root of 1742457145 is about 41742.7496099622. The cubic root of 1742457145 is about 1203.3372715874.

The spelling of 1742457145 in words is "one billion, seven hundred forty-two million, four hundred fifty-seven thousand, one hundred forty-five".